29054140 has 24 divisors (see below), whose sum is σ = 61190640. Its totient is φ = 11587968.

The previous prime is 29054101. The next prime is 29054149. The reversal of 29054140 is 4145092.

It is a super-2 number, since 2×29054140² = 1688286102279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29054149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5664 + ... + 9496.

It is an arithmetic number, because the mean of its divisors is an integer number (2549610).

Almost surely, 2^29054140 is an apocalyptic number.

29054140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29054140 is an abundant number, since it is smaller than the sum of its proper divisors (32136500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29054140 is a wasteful number, since it uses less digits than its factorization.

29054140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221 (or 4219 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 29054140 is about 5390.1892360102. The cubic root of 29054140 is about 307.4227536375.

The spelling of 29054140 in words is "twenty-nine million, fifty-four thousand, one hundred forty".